CN215445458U

CN215445458U - Double-worm-wheel-driven blind flange quick operation device

Info

Publication number: CN215445458U
Application number: CN202122270710.4U
Authority: CN
Inventors: 杨宏伟
Original assignee: Luoyang Andelu Technology Co ltd; Sinopec Engineering Group Co Ltd; Sinopec Guangzhou Engineering Co Ltd
Current assignee: Luoyang Andelu Technology Co ltd; Sinopec Engineering Group Co Ltd; Sinopec Guangzhou Engineering Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-07
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a double-worm-wheel-driven blind plate flange quick operation device which comprises two pipelines, wherein two flanges are symmetrically welded on one adjacent sides of the two pipelines, a double-worm component is installed on the outer side wall of one pipeline and comprises a hand wheel, an auxiliary worm cylinder, a worm wheel and a worm, the worm wheel is welded on one side of the auxiliary worm cylinder, worm teeth on the outer side wall of the worm wheel are connected with the worm, and the worm teeth on the outer side wall of the auxiliary worm cylinder are connected with an annular sliding block.

Description

Double-worm-wheel-driven blind flange quick operation device

Technical Field

The utility model relates to the technical field of pipeline connecting devices, in particular to a double-worm-wheel-driven blind flange quick operation device.

Background

The connection of industrial enterprise, urban public engineering field fluid conveying pipeline generally adopts flange joint, when need thoroughly cut off fluid, or two kinds of different natures that the pipeline that communicates each other exists fluid absolutely not allow to communicate, generally adopt the blind plate of various forms to cut off, and specific connection form is: the two flanges clamp a blind plate in a butt joint mode, the three flanges are fastened through bolts and nuts, and the bolt and nut fasteners are of bolt and nut specifications of standard flange configuration.

However, flanges and blind plates connected in this way are generally disassembled and assembled at least once during start-up and shut-down, and the number of bolts and nuts to be disassembled and assembled is large, so that time and labor are consumed, especially in the case of frequent material switching of chemical devices, especially for large-diameter pipelines, the workload of one-time operation is heavy, many bolts and nuts must be disassembled and assembled one by one, and the pretightening force difference of each bolt and nut must be ensured to be small during assembly, and a specific example is as follows: a flange butt-clamping blind plate is arranged on an oil gas pipeline connecting a fractionating tower and a settler in a catalytic cracking device of a petrochemical plant, and the flange butt-clamping blind plate must be disassembled and assembled once during each opening and shutdown, but because the pipeline has a large caliber (the nominal diameter is generally DN 400-DN 1200 and the unit is millimeter), a large number of bolts and nuts are large, the operation can be completed by multiple persons for a long time, the efficiency is low, and therefore, the double-worm-wheel-driven blind plate flange quick operation device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-worm-gear-driven blind flange quick operation device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two worm wheel driven blind plate flange quick operation device, includes two pipelines, two the adjacent one side symmetric welding of pipeline has two flanges, one two worm assemblies are installed to the lateral wall of pipeline, two worm assemblies include hand wheel, vice worm-gear, worm wheel and worm, the welding of one side of vice worm-gear has the worm wheel, the lateral wall worm-gear of worm wheel is connected with the worm, the lateral wall worm-gear of vice worm-gear is connected with annular slider.

As further preferable in the present technical solution: the lower surface of the worm is fixedly connected with a hand wheel which is used for connecting the worm and driving the worm to run under the action of external force.

As further preferable in the present technical solution: the outer side wall of one pipeline is welded with a guide seat in front of the double-worm assembly, the outer side wall of the other pipeline is welded with a rooting component, the rooting component is used for limiting the movement direction of the connecting rod through the guide seat, and the rooting component is used for fixing one end of the connecting rod.

As further preferable in the present technical solution: the inner side walls of the rooting component, the guide seat and the annular sliding block are uniformly penetrated with connecting rods, the connecting rods are used for achieving the effect of transmission displacement, and the number of the arranged connecting rods ensures that the blind plate can be smoothly taken out during operation.

As further preferable in the present technical solution: the inner side wall of the connecting rod is located, two nuts are symmetrically in threaded connection with the two sides of the annular sliding block, and the nuts are used for limiting and fixing the operated annular sliding block.

As further preferable in the present technical solution: two the adjacent one side laminating of flange has the blind plate, is used for keeping apart the production medium completely through the blind plate, prevents because the trip valve is closed not tight, and influence production or cause the emergence of accident.

Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes the replacement of the blind plate by constructing a driving mode with simple operation, quick opening and closing and high-power moment through the double worm assemblies, and the connecting mode can also be used on pure flange connection to replace bolt fastening, thereby reducing the engineering quantity of flange bolt dismounting or fastening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the annular slider of the present invention.

In the figure: 1. a pipeline; 2. a rooting member; 3. a connecting rod; 4. a flange; 5. a blind plate; 6. a guide seat; 7. a nut; 8. an annular slider; 9. a dual worm assembly; 901. a hand wheel; 902. an auxiliary scroll; 903. a worm gear; 904. a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a two worm wheel driven blind flange quick operation device, includes two pipelines 1, and two adjacent one side symmetric welds of two pipelines 1 have two flanges 4, and two worm subassembly 9 are installed to the lateral wall of a pipeline 1, and two worm subassembly 9 include hand wheel 901, vice worm-gear 902, worm wheel 903 and worm 904, and the welding of one side of vice worm-gear 902 has worm wheel 903, and the lateral wall worm-gear of worm wheel 903 is connected with worm 904, and the lateral wall worm-gear of vice worm-gear 902 is connected with annular slider 8.

In this embodiment, specifically: the lower surface of the worm 904 is fixedly connected with a hand wheel 901, and the hand wheel 901 is used for connecting the worm 904, and drives the worm 904 to run under the action of external force.

In this embodiment, specifically: the outer side wall of one pipeline 1 is welded with a guide seat 6 in front of a double-worm assembly 9, the outer side wall of the other pipeline 1 is welded with a rooting member 2, the guide seat 6 is used for limiting the movement direction of the connecting rod 3, and the rooting member 2 is used for fixing one end of the connecting rod 3.

In this embodiment, specifically: the inner side walls of the rooting component 2, the guide seat 6 and the annular slide block 8 are uniformly penetrated by connecting rods 3, the effect of transmission displacement is achieved through the arranged connecting rods 3, and the number of the arranged connecting rods 3 is ensured to ensure that the blind plate 5 can be smoothly taken out during operation.

In this embodiment, specifically: the inside wall of connecting rod 3 just is located the bilateral symmetry threaded connection of annular slider 8 and has two nuts 7, is used for carrying out spacing fixed with the annular slider 8 after the operation through the nut 7 that sets up.

In this embodiment, specifically: the adjacent one side laminating of two flanges 4 has blind plate 5, is used for keeping apart the production medium completely through blind plate 5 that sets up, prevents because the trip valve is closed untight, and influences production or causes the emergence of accident.

According to the working principle or the structural principle, a flange 4 connected with two pipelines 1 clamps a blind plate 5, a rooting component 2 is fixed on the other pipeline 1, the rooting component 2 can be a steel plate, a section steel or a combined part thereof, a connecting rod 3 is connected with an annular sliding block 8 through a guide seat 6, the annular sliding block 8 slides along the axial direction of the pipeline 1 and is connected with an auxiliary worm barrel 902 to form an auxiliary worm wheel, the guide seat 6 limits the movement direction of the connecting rod 3, when the device is used, a worker operates a hand wheel 901 on a double worm assembly 9 to drive the worm wheel 903 through a worm 904, the worm wheel 903 is linked with the auxiliary worm barrel 902 to push the connected annular sliding block 8, so that the connecting rod 3 is driven to move along the axial direction of the pipeline 1 to loosen or press the flange 4, when the flange 4 is loosened to take out the blind plate 5, a nut 7 on one side is adjusted to keep a sufficient distance with the annular sliding block 8, a nut 7 on the other side is tightly attached to the annular sliding block 8, and the annular sliding block 8 is driven through the double worm assembly 9, the annular sliding block 8 is pushed to move to one side, the annular sliding block 8 drives the connecting rod 3, the connecting rod 3 drives the flange 4 to open and close, and when the sealing is pressed, the processes are operated in the opposite direction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two worm gear driven blind flange quick operation device, includes two pipelines (1), its characterized in that: two adjacent side symmetrical welding of pipeline (1) has two flanges (4), one the lateral wall of pipeline (1) is installed two worm subassemblies (9), two worm subassemblies (9) are including hand wheel (901), vice worm-gear (902), worm wheel (903) and worm (904), one side welding of vice worm-gear (902) has worm wheel (903), the lateral wall worm-gear of worm wheel (903) is connected with worm (904), the lateral wall worm-gear of vice worm-gear (902) is connected with annular slider (8).

2. The double worm gear driven blind flange quick operation device according to claim 1, wherein: the lower surface of the worm (904) is fixedly connected with a hand wheel (901).

3. The double worm gear driven blind flange quick operation device according to claim 1, wherein: the outer side wall of one pipeline (1) is welded with a guide seat (6) in front of the double-worm assembly (9), and the outer side wall of the other pipeline (1) is welded with a rooting component (2).

4. A double worm gear driven blind flange quick operation device as claimed in claim 3, wherein: the inner side walls of the rooting component (2), the guide seat (6) and the annular slide block (8) are uniformly penetrated with a connecting rod (3).

5. The double worm gear driven blind flange quick operation device according to claim 4, wherein: the inner side wall of the connecting rod (3) is symmetrically connected with two nuts (7) through threads on two sides of the annular sliding block (8).

6. The double worm gear driven blind flange quick operation device according to claim 1, wherein: and a blind plate (5) is attached to one adjacent side of the two flanges (4).